Coupling element for connecting the flanged ends of ducts



FIG. 1 is a perspective view taken from the top and one side of acoupling element for connecting the flanged ends of ducts in the closedstate;

FIG. 2 is a perspective view from the opposite side of the couplingelement in the closed state; and,

FIG. 3 is a perspective view of the coupling element in the open state.

The bottom of the design is a mirror image of the top.

The ornamental design for a coupling element for connecting the flangedends of ducts, as shown and described.